The "CP Contact Form with PayPal" plugin before 1.2.99 for WordPress has XSS in the publishing wizard via the wp-admin/admin.php?page=cp_contact_form_paypal.php&pwizard=1 cp_contactformpp_id parameter.
The Contact Form Email plugin before 1.2.66 for WordPress allows wp-admin/admin.php item XSS, related to cp_admin_int_edition.inc.php in the "custom edition area."
Multiple cross-site scripting (XSS) vulnerabilities in the (1) cp_updateMessageItem and (2) cp_deleteMessageItem functions in cp_ppp_admin_int_message_list.inc.php in the Payment Form for PayPal Pro plugin before 1.0.2 for WordPress allow remote attackers to inject arbitrary web script or HTML via the cal parameter.
The cp-contact-form-with-paypal (aka CP Contact Form with PayPal) plugin before 1.1.6 for WordPress has CSRF with resultant XSS, related to cp_contactformpp.php and cp_contactformpp_admin_int_list.inc.php.
Multiple cross-site scripting (XSS) vulnerabilities in cpabc_appointments_admin_int_bookings_list.inc.php in the Appointment Booking Calendar plugin before 1.1.8 for WordPress allow remote attackers to inject arbitrary web script or HTML via unspecified vectors.